Question
Fri April 06, 2012 By: Lakshay
 

what is a potential difference?

Expert Reply
Fri April 06, 2012
The amount of energy per unit charge needed to move a charged particle from a reference point to a designated point in a static electric field; voltage. Also called potential.The difference, measured in volts, in electric potential between two points, especially two points in an electric circuit.
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